Cloud Terminology

# High availability High availability refers to a system or component that is durable and operates continuously without failure for a higher than normal period. Availability is usually expressed as a percentage of uptime in a given year. High Availability relative to "100% operational" or "never failing."   # Fault tolerant Fault tolerance is the … Continue reading Cloud Terminology

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AWS CLI Installation

The easiest way to install the AWS CLI is using pip, it is a package manager for Python that provides an easy way to install, upgrade, and remove Python packages and their dependencies. Install Python pip CentOS : sudo yum update -y sudo yum install -y python-pip Ubuntu : sudo apt-get update -y sudo apt-get … Continue reading AWS CLI Installation

Docker Installation

Docker is available in two editions: Community Edition (CE) Enterprise Edition (EE) Docker Community Edition (CE) is ideal for individual developers and small teams looking to get started with Docker and experimenting with container-based apps. Docker Enterprise Edition (EE) is designed for enterprise development and IT teams who build, ship, and run business critical applications … Continue reading Docker Installation

Docker CE Installation on Red Hat 7

Docker CE is not officially supported on RHEL but you can get the latest Docker CE installed on it. Here are the steps. Step 1 : Install yum-utils and epel-release. yum-utils # yum install -y yum-utils epel-release # wget http://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm --2018-03-24 10:28:49-- http://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm Resolving dl.fedoraproject.org (dl.fedoraproject.org)... 209.132.181.25, 209.132.181.23, 209.132.181.24 Connecting to dl.fedoraproject.org (dl.fedoraproject.org)|209.132.181.25|:80... connected. HTTP request sent, … Continue reading Docker CE Installation on Red Hat 7

Docker Installation on CentOS 7 with Installation Script

The easiest way to install docker with installation script. Below is the script url. Make sure the user should have sudo privileges. https://get.docker.com/ Execute the below two commands to install docker. $ curl -fsSL get.docker.com -o get-docker.sh $ sh get-docker.sh [centos@docker-server ~]$ curl -fsSL get.docker.com -o get-docker.sh [centos@docker-server ~]$ sh get-docker.sh # Executing docker install … Continue reading Docker Installation on CentOS 7 with Installation Script

Ansible Installation on RHEL 7

The easiest way to install Ansible is by adding EPEL (Extra Packages for Enterprise Linux) repository. Use below command to add epel repository. [root@ansible-server ~]# rpm -ivh http://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm Retrieving http://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm warning: /var/tmp/rpm-tmp.C01zA7: Header V3 RSA/SHA256 Signature, key ID 352c64e5: NOKEY Preparing... ################################# [100%] Updating / installing... 1:epel-release-7-11 ################################# [100%] [root@ansible-server ~]# Verify the epel repository … Continue reading Ansible Installation on RHEL 7